diff options
Diffstat (limited to 'drivers/target/target_core_spc.c')
| -rw-r--r-- | drivers/target/target_core_spc.c | 48 |
1 files changed, 16 insertions, 32 deletions
diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 9f995b87b8d1..34d8292a4432 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -37,10 +37,9 @@ #include "target_core_ua.h" #include "target_core_xcopy.h" -static void spc_fill_alua_data(struct se_port *port, unsigned char *buf) +static void spc_fill_alua_data(struct se_lun *lun, unsigned char *buf) { struct t10_alua_tg_pt_gp *tg_pt_gp; - struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem; /* * Set SCCS for MAINTENANCE_IN + REPORT_TARGET_PORT_GROUPS. @@ -53,17 +52,11 @@ static void spc_fill_alua_data(struct se_port *port, unsigned char *buf) * * See spc4r17 section 6.4.2 Table 135 */ - if (!port) - return; - tg_pt_gp_mem = port->sep_alua_tg_pt_gp_mem; - if (!tg_pt_gp_mem) - return; - - spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock); - tg_pt_gp = tg_pt_gp_mem->tg_pt_gp; + spin_lock(&lun->lun_tg_pt_gp_lock); + tg_pt_gp = lun->lun_tg_pt_gp; if (tg_pt_gp) buf[5] |= tg_pt_gp->tg_pt_gp_alua_access_type; - spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock); + spin_unlock(&lun->lun_tg_pt_gp_lock); } sense_reason_t @@ -94,7 +87,7 @@ spc_emulate_inquiry_std(struct se_cmd *cmd, unsigned char *buf) /* * Enable SCCS and TPGS fields for Emulated ALUA */ - spc_fill_alua_data(lun->lun_sep, buf); + spc_fill_alua_data(lun, buf); /* * Set Third-Party Copy (3PC) bit to indicate support for EXTENDED_COPY @@ -181,11 +174,9 @@ spc_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf) { struct se_device *dev = cmd->se_dev; struct se_lun *lun = cmd->se_lun; - struct se_port *port = NULL; struct se_portal_group *tpg = NULL; struct t10_alua_lu_gp_member *lu_gp_mem; struct t10_alua_tg_pt_gp *tg_pt_gp; - struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem; unsigned char *prod = &dev->t10_wwn.model[0]; u32 prod_len; u32 unit_serial_len, off = 0; @@ -267,18 +258,15 @@ check_t10_vend_desc: /* Header size for Designation descriptor */ len += (id_len + 4); off += (id_len + 4); - /* - * struct se_port is only set for INQUIRY VPD=1 through $FABRIC_MOD - */ - port = lun->lun_sep; - if (port) { + + if (1) { struct t10_alua_lu_gp *lu_gp; u32 padding, scsi_name_len, scsi_target_len; u16 lu_gp_id = 0; u16 tg_pt_gp_id = 0; u16 tpgt; - tpg = port->sep_tpg; + tpg = lun->lun_tpg; /* * Relative target port identifer, see spc4r17 * section 7.7.3.7 @@ -298,8 +286,8 @@ check_t10_vend_desc: /* Skip over Obsolete field in RTPI payload * in Table 472 */ off += 2; - buf[off++] = ((port->sep_rtpi >> 8) & 0xff); - buf[off++] = (port->sep_rtpi & 0xff); + buf[off++] = ((lun->lun_rtpi >> 8) & 0xff); + buf[off++] = (lun->lun_rtpi & 0xff); len += 8; /* Header size + Designation descriptor */ /* * Target port group identifier, see spc4r17 @@ -308,18 +296,14 @@ check_t10_vend_desc: * Get the PROTOCOL IDENTIFIER as defined by spc4r17 * section 7.5.1 Table 362 */ - tg_pt_gp_mem = port->sep_alua_tg_pt_gp_mem; - if (!tg_pt_gp_mem) - goto check_lu_gp; - - spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock); - tg_pt_gp = tg_pt_gp_mem->tg_pt_gp; + spin_lock(&lun->lun_tg_pt_gp_lock); + tg_pt_gp = lun->lun_tg_pt_gp; if (!tg_pt_gp) { - spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock); + spin_unlock(&lun->lun_tg_pt_gp_lock); goto check_lu_gp; } tg_pt_gp_id = tg_pt_gp->tg_pt_gp_id; - spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock); + spin_unlock(&lun->lun_tg_pt_gp_lock); buf[off] = tpg->proto_id << 4; buf[off++] |= 0x1; /* CODE SET == Binary */ @@ -694,7 +678,7 @@ static sense_reason_t spc_emulate_inquiry(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; - struct se_portal_group *tpg = cmd->se_lun->lun_sep->sep_tpg; + struct se_portal_group *tpg = cmd->se_lun->lun_tpg; unsigned char *rbuf; unsigned char *cdb = cmd->t_task_cdb; unsigned char *buf; @@ -708,7 +692,7 @@ spc_emulate_inquiry(struct se_cmd *cmd) return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; } - if (dev == tpg->tpg_virt_lun0.lun_se_dev) + if (dev == tpg->tpg_virt_lun0->lun_se_dev) buf[0] = 0x3f; /* Not connected */ else buf[0] = dev->transport->get_device_type(dev); |